CN216994698U

CN216994698U - Portable bicycle folding rod structure

Info

Publication number: CN216994698U
Application number: CN202220614424.7U
Authority: CN
Inventors: 张特科
Original assignee: Jiangmen Weiyi Aluminum Technology Co ltd
Current assignee: Jiangmen Weiyi Aluminum Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-19
Anticipated expiration: 2032-03-21

Abstract

The utility model belongs to the technical field of bicycle folding, and particularly discloses a portable bicycle folding rod structure which comprises a pipe body and a folding assembly, wherein the bottom end of the pipe body is fixedly provided with the folding assembly, the folding assembly comprises a folding upper seat and a folding lower seat, the folding upper seat is fixed at the bottom of the pipe body, one end part of the folding upper seat is hinged with one side of the folding lower seat, the other side of the folding upper seat is provided with a first clamping joint, the other side of the folding lower seat is hinged with a folding handle, a connecting rod is arranged at the center of the folding lower seat, a central shaft of the folding lower seat hinged with the folding handle is provided with a second clamping joint, and the first clamping joint and the second clamping joint are buckled and separated by rotating the folding handle, so that the matching fastening and the folding of the folding upper seat and the folding lower seat are realized, and the problems that the existing bicycle folding structure is various and the folding structure is solved, The assembly workload is large, and the locking effect of the folding handle is not good.

Description

Portable bicycle folding rod structure

Technical Field

The utility model relates to the technical field of bicycle folding, in particular to a portable bicycle folding rod structure.

Background

The folding bicycle occupies a small space after being folded, is convenient to carry and store, and the performance and various parameters of the folding bicycle are not inferior to those of a common non-folding bicycle during use, the folding bicycle occupies a small space after being folded, is convenient to carry and store, and the whole bicycle can be placed into a trunk of a case, a folding bag or a car after being folded, so that the folding bicycle is popular with consumers.

Folding bicycles and folding electric bicycles usually need to be folded at a vertical pipe, a frame and the like. The length of the vehicle can be reduced by folding the frame, the height of the vehicle can be reduced by folding the stand pipe, and a foldable structure needs to be provided at the stand pipe, the frame and the like. The folding structure of current setting on frame or riser, the tip of handle sets up the cam structure, drives the transfer line through the rotation of cam structure, and the cam structure and the transfer line of back handle wear easily after using for a long time, still need often adjust the length of transfer line, and the bicycle uses the cam structure to realize folding often needs the spare part of multiple difference to assemble, has the part numerous, the problem that assembly work volume is big.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a bicycle folding mechanism to solve the problem that the folding structural components of the existing folding bicycle are various.

The technical scheme adopted by the utility model for solving the technical problem is as follows: including body and folding assembly, body bottom fixed mounting have folding assembly, folding assembly including folding seat of honour and folding lower seat, folding seat of honour fix in the bottom of body, a tip of folding seat of honour is articulated with folding lower seat one side, folding seat of honour opposite side be provided with first joint, folding lower seat opposite side articulated have folding handle, folding lower seat center department be provided with the connecting rod, folding lower seat and folding handle articulated center pin department be provided with the second joint.

Furthermore, the bottom of the second clamping joint is connected with one end of a compression spring, and the other end of the compression spring is connected with a bolt at the center of the lower folding seat.

Further, the top of the tube body is connected with a movable rod, a splicing assembly is arranged at the joint of the tube body and the movable rod, a fastener is arranged at the upper end of the movable rod, and a groove is formed in the surface of the movable rod.

Further, folding handle internal surface be provided with the screens piece, folding handle surface on seted up the sliding tray, sliding tray and screens piece cooperate, screens piece outside fixedly connected with activity key to the activity key is installed in the sliding tray, activity key internally mounted has the reset spring who is used for at sliding tray reciprocating motion.

Furthermore, the second joint on be equipped with circular arc guided way, the second joint head be provided with horizontal draw-in groove, horizontal draw-in groove and screens piece cooperate.

Furthermore, a hollow cavity is arranged at the center of the folding upper seat.

Furthermore, the grafting subassembly include the bayonet joint, the bayonet joint internal surface set up the flange, the flange mutually support with the recess on movable rod surface, the bayonet joint seted up the locking groove, locking groove department be provided with the retaining member, the retaining member include locking axle and eccentric handle, the locking axle run through locking groove both sides, the tight pulley is connected to locking axle one end, the other end hinge of locking axle takes turns eccentric handle.

The beneficial effects of the utility model are:

1. the bicycle folding rod structure provided by the utility model can be used for inserting the front wheel structure of the bicycle into the connecting rod of the folding lower seat for installation and matching through the separation state of the folding upper seat and the folding lower seat, then the folding upper seat is rotated to be mutually abutted against the folding lower seat in a rotating mode, the first clamping joint arranged at one end of the folding upper seat can be mutually clamped with the second clamping joint of the folding lower seat to form the current bicycle folding structure, the operation is convenient and fast, and the bicycle folding rod structure can be firmer through the locking mode of the first clamping joint and the second clamping joint.

2. The folding rod structure of the bicycle provided by the utility model fixes the folding handle through the combination of the sliding groove, the clamping block and the movable key which are arranged on the folding handle, so that the problem that the folding handle is opened in the riding process of the folding bicycle can be effectively avoided.

3. Can be through being provided with the mutual cooperation of recess and the inside flange that is provided with of plug assembly on the movable rod surface, can have the upper and lower activity of realizing the movable rod, can promote the practicality of this product.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic front view of the upper folding seat and the lower folding seat of the present invention;

FIG. 4 is a schematic top view of the foldable upper seat and the foldable lower seat of the present invention;

FIG. 5 is a schematic view of the plug assembly of the present invention;

in the figure: body 1, folding assembly 2, folding upper seat 3, first bayonet joint 301, folding lower seat 4, connecting rod 401, second bayonet joint 402, compression spring 403, folding handle 5, detent block 501, movable key 502, movable rod 6, fastener 601, groove 602, plug assembly 7, plug 701, flange 702, locking groove 703, locking shaft 704, over-center handle 705.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 3 and 4, the folding rod structure of the portable bicycle provided by the utility model comprises a tube body 1 and a folding assembly 2, wherein the folding assembly 2 is fixedly installed at the bottom end of the tube body 1, the folding assembly 2 comprises a folding upper seat 3 and a folding lower seat 4, the folding upper seat 3 is fixed at the bottom of the tube body 1, one end of the folding upper seat 3 is hinged to one side of the folding lower seat 4, a first clamping connector 301 is arranged at the other side of the folding upper seat 3, a folding handle 5 is hinged to the other side of the folding lower seat 4, a connecting rod 401 is arranged at the center of the folding lower seat 4, and a second clamping connector 402 is arranged at the central shaft of the folding lower seat 4 hinged to the folding handle 5.

As shown in fig. 3, the bottom of the second clamping head 402 is connected to one end of a compression spring 403, and the other end of the compression spring 403 is connected to a bolt at the center of the folding lower base 4.

As shown in fig. 1 and 5, a movable rod 6 is connected to the top of the pipe body 1, a plug-in assembly 7 is disposed at the joint of the pipe body 1 and the movable rod 6, a fastener 601 is disposed at the upper end of the movable rod 6, and a groove 602 is disposed on the surface of the movable rod 6.

As shown in fig. 3 and 4, the internal surface of the folding handle 5 is provided with the clamping block 501, the external surface of the folding handle 5 is provided with a sliding groove, the sliding groove is matched with the clamping block 501, the outer side of the clamping block 501 is fixedly connected with a movable key 502, the movable key 502 is installed in the sliding groove, the movable key 502 is internally provided with a return spring for reciprocating motion in the sliding groove, the second clamping joint 402 is provided with an arc guide rail, the second clamping joint 402 is provided with a transverse clamping groove, the transverse clamping groove is matched with the clamping block 501, the folding handle 5 is fixed by combining the sliding groove arranged on the folding handle 5, the clamping block 501 and the movable key 502, and the problem that the folding handle 5 is opened in the riding process of the folding bicycle can be effectively avoided.

As shown in fig. 4, a hollow cavity is arranged at the center of the folding upper seat 3.

As shown in fig. 5, the plug-in component 7 includes a plug 701, a flange 702 is arranged on the inner surface of the plug 701, the flange 702 is matched with a groove 602 on the surface of the movable rod 6, the movable rod 1 can move up and down, a locking groove 703 is formed in the plug 701, a locking member is arranged in the locking groove 703 and comprises a locking shaft 704 and an eccentric handle 705, the locking shaft 704 penetrates through two sides of the locking groove 703, one end of the locking shaft 704 is connected with a fastening wheel, the other end of the locking shaft 704 is hinged with the eccentric handle 705, and therefore the practicability of the product can be improved.

The folding operation mode of the utility model is as follows: the folding mode of the utility model mainly comprises the steps that the folding upper seat 3 and the folding lower seat 4 of the folding assembly 2 work, when the folding assembly is not folded, the compression spring 403 is in a compression state, two ends of the compression spring 403 are respectively connected with the second clamping joint 402 and the bolt at the center of the folding lower seat 4, the folding upper seat 3 is hinged with the folding lower seat 4, then the folding upper seat is hinged with the folding handle 5 through the second clamping joint 402, the folding lower seat 4 and the second clamping joint 402 are driven to rotate by the free end of the folding handle 5, the compression spring 403 can be tightened when the folding handle 5 rotates, and then when the folding upper seat 3 is connected with the folding lower seat 4, the folding handle 5 is loosened to compress the spring 403 to retract so as to drive the second clamping joint 402, and the second clamping joint 402 can be sent into the first clamping joint 301 to realize the clamping operation.

Follow-up through be provided with the sliding tray on folding handle 5 and cooperate with screens piece 501, at the outside fixedly connected with movable key 502 of screens piece 501 to movable key 502 is installed and is moved through reset spring in the sliding tray, thereby enables screens piece 501 and the horizontal draw-in groove on the second joint 402 and mutually supports, has avoided the potential safety hazard that folding handle 5 of in-process can be opened by bike.

When folding, should stir the movable key 502 earlier and make screens piece 501 and the horizontal draw-in groove on the second joint 402 separate, thereby rotate folding handle 5 and push down and drive compression spring 403 tightly to control second joint 402 and loosen, follow-up continuation rotation folding handle 5 can make folding upper seat 3 and folding lower seat 4 loosen, can realize folding effect.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the utility model, and these embodiments are still within the scope of the utility model.

Claims

1. The utility model provides a portable bicycle folding rod structure, includes body (1) and folding assembly (2), its characterized in that: body (1) bottom fixed mounting have folding assembly (2), folding assembly (2) including folding upper seat (3) and folding lower seat (4), folding upper seat (3) fix in the bottom of body (1), a tip of folding upper seat (3) is articulated with folding lower seat (4) one side, folding upper seat (3) opposite side be provided with first joint (301), folding lower seat (4) opposite side articulated have folding handle (5), folding lower seat (4) center department be provided with connecting rod (401), folding lower seat (4) and folding handle (5) articulated center pin department be provided with second joint (402).

2. The folding bar structure for portable bicycle as claimed in claim 1, wherein: the bottom of the second clamping joint (402) is connected with one end of a compression spring (403), and the other end of the compression spring (403) is connected with a bolt at the center of the folding lower seat (4).

3. The folding bar structure for portable bicycle as claimed in claim 1, wherein: body (1) top be connected with movable rod (6), the junction of body (1) and movable rod (6) be provided with plug-in components (7), the upper end of movable rod (6) be provided with binding ware (601), movable rod (6) surface be provided with recess (602).

4. The folding bar structure for portable bicycle as claimed in claim 1, wherein: folding handle (5) internal surface be provided with screens piece (501), folding handle (5) the surface on seted up the sliding tray, sliding tray and screens piece (501) cooperate, screens piece (501) outside fixedly connected with movable key (502) to movable key (502) are installed in the sliding tray, movable key (502) internally mounted has the reset spring who is used for at sliding tray reciprocating motion.

5. The folding bar structure for portable bicycle as claimed in claim 1, wherein: the second clamping connector (402) is provided with an arc guide rail, the second clamping connector (402) is provided with a transverse clamping groove, and the transverse clamping groove is matched with the clamping block (501).

6. The folding bar structure for portable bicycle as claimed in claim 1, wherein: the center of the folding upper seat (3) is provided with a hollow cavity.

7. A portable bicycle folding bar structure according to claim 3, wherein: plug-in components (7) including bayonet joint (701), bayonet joint (701) internal surface set up flange (702), flange (702) mutually support with recess (602) on movable rod (6) surface, bayonet joint (701) seted up locking groove (703), locking groove (703) department be provided with the retaining member, the retaining member include locking axle (704) and eccentric handle (705), locking axle (704) run through locking groove (703) both sides, fastening wheel is connected to locking axle (704) one end, the other end hinge of locking axle (704) takes turns eccentric handle (705).